In December of 2004 Lisa Montgomery, 36, of Melvern, Kansas, confessed to strangling a pregnant Missouri woman in her home and then cutting the baby from her womb. During her interrogation, Montgomery was brought in for questioning. Before she is questioned, the detectives examine the circumstances of the crime and the background of the woman, looking for any information they can use to provoke the woman into behaviors that would tell them if she were guilty or not. What technique of interrogation is this?